Keening

The keening whistle of the tea kettle signaled that the water had boiled.

The keening whistle of the teapot signaled that the water was boiling.

The old television emitted a high-pitched keening noise whenever it was turned on.

The women gathered in the cemetery, their voices intertwining in a mournful keening that honored the departed.

The haunting melody of keening echoed through the ancient ruins, commemorating the souls who had departed.